<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      // person =  {}
      function person() {
        console.log("hello person");
      }
      person();
      person.prototype.constructor();
      // new person();
      // new person.prototype.constructor();

      // console.dir(person.prototype);
      // console.dir(person.prototype.constructor === person);
    </script>
  </body>
</html>
